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ACTIVITY

Pronunciation (US): 

 Dictionary entry overview: What does activity mean? 

ACTIVITY (noun)
  The noun ACTIVITY has 6 senses:

1. any specific behavior
2. the state of being active
3. an organic process that takes place in the body
4. (chemistry) the capacity of a substance to take part in a chemical reaction
5. a process existing in or produced by nature (rather than by the intent of human beings)
6. the trait of being active; moving or acting rapidly and energetically

  Familiarity information: ACTIVITY used as a noun is common.


 Dictionary entry details 


ACTIVITY (noun)


Sense 1activity [BACK TO TOP]

Meaning:

Any specific behavior

Classified under:

Nouns denoting acts or actions

Context example:

they avoided all recreational activity

Hypernyms ("activity" is a kind of...):

act; human action; human activity (something that people do or cause to happen)

Hyponyms (each of the following is a kind of "activity"):

timekeeping (the act or process of determining the time)

delectation; enjoyment (act of receiving pleasure from something)

pleasure (an activity that affords enjoyment)

demand (the act of demanding)

provision; supply; supplying (the activity of supplying or providing something)

emplacement; locating; location; placement; position; positioning (the act of putting something in a certain place)

concealing; concealment; hiding (the activity of keeping something secret)

activating; activation; energizing (the activity of causing to have energy and be active)

worship (the activity of worshipping)

ceremony (the proper or conventional behavior on some solemn occasion)

ceremony (any activity that is performed in an especially solemn elaborate or formal way)

procedure; process (a particular course of action intended to achieve a result)

continuance; continuation (the act of continuing an activity without interruption)

support; supporting (the act of bearing the weight of or strengthening)

grouping (the activity of putting things together in groups)

organisation; organization (the activity or result of distributing or disposing persons or things properly or methodically)

calibration; standardisation; standardization (the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument)

lamentation; mourning (the passionate and demonstrative activity of expressing grief)

laughter (the activity of laughing; the manifestation of joy or mirth or scorn)

market; marketplace (the world of commercial activity where goods and services are bought and sold)

disturbance; perturbation (activity that is an intrusion or interruption)

negotiation (the activity or business of negotiating an agreement; coming to terms)

mystification; obfuscation (the activity of obscuring people's understanding, leaving them baffled or bewildered)

last (a person's dying act; the final thing a person can do)

outlet; release; vent (activity that frees or expresses creative energy or emotion)

hell; sin; fun (violent and excited activity)

buzz (a confusion of activity and gossip)

solo (any activity that is performed alone without assistance)

precedence; precedency; precession (the act of preceding in time or order or rank (as in a ceremony))

leadership; leading (the activity of leading)

behavior; behaviour ((psychology) the aggregate of the responses or reactions or movements made by an organism in any situation)

behavior; behaviour; conduct; doings (manner of acting or controlling yourself)

support (the activity of providing for or maintaining by supplying with money or necessities)

aid; assist; assistance; help (the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose)

preparation; readying (the activity of putting or setting in order in advance of some act or purpose)

measure; measurement; measuring; mensuration (the act or process of assigning numbers to phenomena according to a rule)

military operation; operation (activity by a military or naval force (as a maneuver or campaign))

variance; variation (an activity that varies from a norm or standard)

deeds; works (performance of moral or religious acts)

work (activity directed toward making or doing something)

burst; fit (a sudden flurry of activity (often for no obvious reason))

animation; liveliness (general activity and motion)

acting; performing; playacting; playing (the performance of a part or role in a drama)

music (musical activity (singing or whistling etc.))

play; turn ((game) the activity of doing something in an agreed succession)

game (a contest with rules to determine a winner)

follow-up; followup (an activity that continues something that has already begun or that repeats something that has already been done)

bag; cup of tea; dish (an activity that you like or at which you are superior)

diversion; recreation (an activity that diverts or amuses or stimulates)

pattern; practice (a customary way of operation or behavior)

operation (a planned activity involving many people performing various actions)

operation (the activity of operating something (a machine or business etc.))

domesticity (domestic activities or life)

space walk (any kind of physical activity outside a spacecraft by one of the crew)

service ((law) the acts performed by an English feudal tenant for the benefit of his lord which formed the consideration for the property granted to him)

business; job; line; line of work; occupation (the principal activity in your life that you do to earn money)

occupation (any activity that occupies a person's attention)

employment; exercise; usage; use; utilisation; utilization (the act of using)

hunt; hunting; search (the activity of looking thoroughly in order to find something or someone)

puncture (the act of puncturing or perforating)

line duty; line function (activity contributing directly to the output of an organization)

disassembly; dismantlement; dismantling (the act of taking something apart (as a piece of machinery))

creation; creative activity (the human act of creating)

representation (an activity that stands as an equivalent of something or results in an equivalent)

grooming; preparation; training (activity leading to skilled behavior)

didactics; education; educational activity; instruction; pedagogy; teaching (the activities of educating or instructing; activities that impart knowledge or skill)

sensory activity (activity intended to achieve a particular sensory result)

protection (the activity of protecting someone or something)

control (the activity of managing or exerting control over something)

attempt; effort; endeavor; endeavour; try (earnest and conscientious activity intended to do or accomplish something)

dissipation; waste; wastefulness (useless or profitless activity; using or expending or consuming thoughtlessly or carelessly)

actus reus; misconduct; wrongdoing; wrongful conduct (activity that transgresses moral or civil law)

role (normal or customary activity of a person in a particular social setting)

committal to writing; writing (the activity of putting something in written form)

Antonym:

inactivity (being inactive; being less active)


Sense 2activity [BACK TO TOP]

Meaning:

The state of being active

Classified under:

Nouns denoting stable states of affairs

Synonyms:

activeness; action; activity

Context examples:

his sphere of activity / he is out of action

Hypernyms ("activity" is a kind of...):

state (the way something is with respect to its main attributes)

Attribute:

active ((of e.g. volcanos) erupting or liable to erupt)

Hyponyms (each of the following is a kind of "activity"):

play (a state in which action is feasible)

overdrive (the state of high or excessive activity or productivity or concentration)

operation (the state of being in effect or being operative)

eructation; eruption; extravasation ((of volcanos) pouring out fumes of lava (or a deposit so formed))

behavior; behaviour (the action or reaction of something (as a machine or substance) under specified circumstances)

busyness; hum (the state of being or appearing to be actively engaged in an activity)

agency (the state of being in action or exerting power)

swing (a state of steady vigorous action that is characteristic of an activity)

Antonym:

inactivity (the state of being inactive)


Sense 3activity [BACK TO TOP]

Meaning:

An organic process that takes place in the body

Classified under:

Nouns denoting natural processes

Synonyms:

body process; bodily process; bodily function; activity

Context example:

respiratory activity

Hypernyms ("activity" is a kind of...):

biological process; organic process (a process occurring in living organisms)

Hyponyms (each of the following is a kind of "activity"):

hypostasis (the accumulation of blood in an organ)

lachrymation; lacrimation; tearing; watering (shedding tears)

lactation (the production and secretion of milk by the mammary glands)

opsonisation; opsonization (process whereby opsonins make an invading microorganism more susceptible to phagocytosis)

overactivity (excessive activity)

peristalsis; vermiculation (the process of wavelike muscle contractions of the alimentary tract that moves food along)

diaphoresis; hidrosis; perspiration; sudation; sweating (the process of the sweat glands of the skin secreting a salty fluid)

phagocytosis (process in which phagocytes engulf and digest microorganisms and cellular debris; an important defense against infection)

pinocytosis (process by which certain cells can engulf and incorporate droplets of fluid)

placentation (the formation of the placenta in the uterus)

psilosis (falling out of hair)

tanning (process in which skin pigmentation darkens as a result of exposure to ultraviolet light)

transpiration (the process of giving off or exhaling water vapor through the skin or mucous membranes)

healing (the natural process by which the body repairs itself)

festering; maturation; suppuration ((medicine) the formation of morbific matter in an abscess or a vesicle and the discharge of pus)

expectoration (the process of coughing up and spitting out)

control ((physiology) regulation or maintenance of a function or action or reflex etc)

breathing; external respiration; respiration; ventilation (the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation)

respiration (a single complete act of breathing in and out)

breath (the process of taking in and expelling air during breathing)

consumption; ingestion; intake; uptake (the process of taking food into the body through the mouth (as by eating))

sex; sex activity; sexual activity; sexual practice (activities associated with sexual intercourse)

insemination (the introduction of semen into the genital tract of a female)

sleeping (the suspension of consciousness and decrease in metabolic rate)

reaction; response (a bodily process occurring due to the effect of some foregoing stimulus or agent)

crying; tears; weeping (the process of shedding tears (usually accompanied by sobs or other inarticulate sounds))

ablactation (the cessation of lactation)

anastalsis (muscular action of the alimentary tract in a direction opposite to peristalsis)

discharge; emission; expelling (any of several bodily processes by which substances go out of the body)


Sense 4activity [BACK TO TOP]

Meaning:

(chemistry) the capacity of a substance to take part in a chemical reaction

Classified under:

Nouns denoting stable states of affairs

Context example:

catalytic activity

Hypernyms ("activity" is a kind of...):

capability; capacity (the susceptibility of something to a particular treatment)

Domain category:

chemical science; chemistry (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)


Sense 5activity [BACK TO TOP]

Meaning:

A process existing in or produced by nature (rather than by the intent of human beings)

Classified under:

Nouns denoting natural processes

Synonyms:

natural process; natural action; activity; action

Context examples:

the action of natural forces / volcanic activity

Hypernyms ("activity" is a kind of...):

physical process; process (a sustained phenomenon or one marked by gradual changes through a series of states)

Hyponyms (each of the following is a kind of "activity"):

opacification (the process of becoming cloudy or opaque)

oscillation (the process of oscillating between states)

oxygenation (the process of providing or combining or treating with oxygen)

pair creation; pair formation; pair production (the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus)

phase change; phase transition; physical change; state change (a change from one state (solid or liquid or gas) to another without a change in chemical composition)

precession of the equinoxes (a slow westward shift of the equinoxes along the plane of the ecliptic caused by precession of the Earth's axis of rotation)

nuclear reaction ((physics) a process that alters the energy or structure or composition of atomic nuclei)

materialisation; materialization (the process of coming into being; becoming reality)

magnetic induction; magnetisation; magnetization (the process that makes a substance magnetic (temporarily or permanently))

leach; leaching (the process of leaching)

ionisation; ionization (the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas)

ion exchange (a process in which ions are exchanged between a solution and an insoluble (usually resinous) solid; widely used in industrial processing)

inactivation (the process of rendering inactive)

curing; hardening; set; solidification; solidifying (the process of becoming hard or solid by cooling or drying or crystallization)

geologic process; geological process ((geology) a natural process whereby geological features are modified)

release (a process that liberates or discharges something)

saltation ((geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface)

scattering (the physical process in which particles are deflected haphazardly as a result of collisions)

transpiration (the passage of gases through fine tubes because of differences in pressure or temperature)

transduction (the process whereby a transducer accepts energy in one form and gives back related energy in a different form)

temperature change (a process whereby the degree of hotness of a body (or medium) changes)

synergism; synergy (the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects)

natural selection; selection; survival; survival of the fittest (a natural process resulting in the evolution of organisms best adapted to the environment)

ecological succession; succession ((ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established)

stimulation ((physiology) the effect of a stimulus (on nerves or organs etc.))

rigidification; rigidifying; stiffening (the process of becoming stiff or rigid)

source ((technology) a process by which energy or a substance enters a system)

sorption (the process in which one substance takes up or holds another (by either absorption or adsorption))

softening (the process of becoming softer)

soak; soakage; soaking (the process of becoming softened and saturated as a consequence of being immersed in water (or other liquid))

sink ((technology) a process that acts to absorb or remove energy or a substance from a system)

sericulture (raising silkworms in order to obtain raw silk)

vitrification (the process of becoming vitreous)

radiation (the spread of a group of organisms into new habitats)

clotting; coagulation; curdling (the process of forming semisolid lumps in a liquid)

convection ((meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere)

condensation (the process of changing from a gaseous to a liquid or solid state)

concretion (the formation of stonelike objects within a body organ (e.g., the kidneys))

chromatography (a process used for separating mixtures by virtue of differences in absorbency)

chemical action; chemical change; chemical process ((chemistry) any process determined by the atomic and molecular composition and structure of the substances involved)

centrifugation (the process of separating substances by the use of a centrifuge)

capture (a process whereby a star or planet holds an object in its gravitational field)

capture (any process in which an atomic or nuclear system acquires an additional particle)

antiredeposition (the process of preventing redeposition)

aeration (the process of exposing to air (so as to purify))

adiabatic process ((thermodynamics) any process that occurs without gain or loss of heat)

acidification (the process of becoming acid or being converted into an acid)

absorption ((physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium)

decay (the process of gradually becoming inferior)

demagnetisation; demagnetization (the process of removing magnetization)

desorption (changing from an adsorbed state on a surface to a gaseous or liquid state)

fossilisation; fossilization (the process of fossilizing a plant or animal that existed in some earlier age; the process of being turned to stone)

formation (natural process that causes something to form)

flow (any uninterrupted stream or discharge)

flocculation (the process of flocculating; forming woolly cloudlike aggregations)

filtration (the process whereby fluids pass through a filter or a filtering medium)

feedback (the process in which part of the output of a system is returned to its input in order to regulate its further output)

extraction (the process of obtaining something from a mixture or compound by chemical or physical or mechanical means)

extinction (the reduction of the intensity of radiation as a consequence of absorption and radiation)

ecesis; establishment ((ecology) the process by which a plant or animal becomes established in a new habitat)

diffusion ((physics) the process of diffusing; the intermingling of molecules in gases and liquids as a result of random thermal agitation)

disintegration; dissolution (separation into component parts)

distillation; distillment (the process of purifying a liquid by boiling it and condensing its vapors)

drift (the gradual departure from an intended course due to external influences (as a ship or plane))

effervescence (the process of bubbling as gas escapes)

cataphoresis; dielectrolysis; electrophoresis; ionophoresis (the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode)


Sense 6activity [BACK TO TOP]

Meaning:

The trait of being active; moving or acting rapidly and energetically

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

activeness; activity

Context example:

the level of activity declines with age

Hypernyms ("activity" is a kind of...):

trait (a distinguishing feature of your personal nature)

Attribute:

active (characterized by energetic activity)

inactive (not active physically or mentally)

active (disposed to take action or effectuate change)

Hyponyms (each of the following is a kind of "activity"):

dynamism; oomph; pizzaz; pizzazz; zing (the activeness of an energetic personality)

animation; brio; invigoration; spiritedness; vivification (quality of being active or spirited or alive and vigorous)


 Learn English with... Proverbs of the week 
"The first step to health is to know that we are sick." (English proverb)

"Don't sell eggs in the bottom of hens" (Breton proverb)

"If you know then it's a disaster, and if you don't know then it's a greater disaster." (Arabic proverb)

"The lazy donkey always overloads himself." (Cypriot proverb)

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